Carpenter, William Benjamin, 1813-1885 · Philadelphia : Blakiston · leaf 244
For it is obvious thatsince the inflectedrays which form the diffraction-spectradi-verge more and more widely in proportion to the approximation ofthe lines that separate them—so that those spectra (as alreadyshown) are carried apart to greater and yet greater distances—theseparation of those of a… … 190 MANAGEMENT OF THE MICROSCOPE. thus an Objective may be able clearly to separate lines of 50,000to an inch, from which no amount of coaxing by oblique or anyother kind of illumination can obtain a resolution of lines of 80,000to an inch.—But further, it has been made clear that most distinct-…
Microscopy · Biology
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